#03172D#03172D

#03172D is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.2% C 0.052 H 251.8°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#03172D
RGB	rgb(3, 23, 45)
HSL	hsl(211, 88%, 9%)
HSV	hsv(211, 93%, 18%)
CMYK	cmyk(93.3%, 48.9%, 0%, 82.4%)
CIE-LAB	lab(7.42, 1.50, -17.19)
CIE-LCH	lch(7.42, 17.26, 274.98°)
OKLab	oklab(20.19% -0.0162 -0.0492)
OKLCH	oklch(20.19% 0.052 251.8)
XYZ	xyz(0.8174, 0.8215, 2.5976)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03172D #2D1903

analogous

#032C2D #03172D #04032D

triadic

#03172D #2D0317 #172D03

tetradic

#03172D #2D032C #2D1903 #032D04

square

#03172D #2D032C #2D1903 #032D04

split-complementary

#03172D #2D0403 #2C2D03

monochromatic

#020F1D #020F1D #03172D #073466 #0B52A0

Accessibility & contrast

On white

18.04

#03172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#03172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03172D

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03172D	#FFFFFF	#000000	##FFFFFF
##03172D	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C192E

Deuteranopia (green-blind)

#06152D

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #03172d;
/* rgb */ color: rgb(3, 23, 45);
/* oklch */ color: oklch(20.2% 0.052 251.8);

Tailwind

colors: {
  custom: {
    50: '#4a5366',
    500: '#03172d',
    950: '#000000',
  },
}

SCSS

$custom: #03172d;
$custom-light: #4a5366;
$custom-dark: #000000;

JSON

{
  "hex": "#03172d",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 211.429,
    "s": 87.5,
    "l": 9.412
  },
  "oklch": {
    "l": 0.20194,
    "c": 0.05182,
    "h": 251.8
  },
  "luminance": 0.00822
}

Semantic roles & 50–950 ramp

primary

#03172D

secondary

#71481B

accent

#992AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #03172D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →